The . . . . . . . . operator allows you to use pattern matching characters to determine whether one String is equal to another String.

The correct answer is: C. Match

The Match operator allows you to use pattern matching characters to determine whether one String is equal to another String.

The Like operator is used to compare a String to a regular expression.

The Pattern operator is used to create a regular expression.

The StringMatch function is used to check if a String matches a regular expression.

Here is an example of how to use the Match operator:

``` let str1 = "Hello, world!"; let str2 = "Hello, world!";

if (str1.Match(str2)) { console.log("The strings match."); } else { console.log("The strings do not match."); } ```

This code will print "The strings match." to the console.